Set up MVC filesystem for flask and jinja

Procfile

+web: python runserver.py

__init__.py

+# -*- coding: utf-8 -*-
+__version__ = '0.1'
+from flask import Flask
+from flask_debugtoolbar import DebugToolbarExtension
+app = Flask('project')
+app.config['SECRET_KEY'] = 'random'
+app.debug = True
+toolbar = DebugToolbarExtension(app)
+from project.controllers import *

controllers/__init__.py

+import os
+import glob
+__all__ = [os.path.basename(
+    f)[:-3] for f in glob.glob(os.path.dirname(__file__) + "/*.py")]

controllers/printer.py

+# -*- coding: utf-8 -*-
+from project import app
+from flask import render_template, request
+from flask.ext.wtf import Form, TextField, validators
+
+
+class CreateForm(Form):
+    text = TextField(u'Text:', [validators.Length(min=1, max=20)])
+
+
+@app.route('/')
+def start():
+    return render_template('printer/index.html')
+
+
+@app.route('/print', methods=['GET', 'POST'])
+def printer():
+    form = CreateForm(request.form)
+    if request.method == 'POST' and form.validate():
+        from project.models.Printer import Printer
+        printer = Printer()
+        printer.show_string(form.text.data)
+        return render_template('printer/index.html')
+    return render_template('printer/print.html', form=form)

models/Printer.py

+# -*- coding: utf-8 -*-
+from flask import flash
+
+
+class Printer(object):
+
+    def show_string(self, text):
+        if text == '':
+            flash("You didn't enter any text to flash")
+        else:
+            flash(text + "!!!")

requirements.txt

+Flask==0.10
+Flask-WTF==0.8.3
+Jinja2==2.7
+Flask-DebugToolbar==0.8.0

runserver.py

+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+import os
+from project import app
+
+if __name__ == '__main__':
+    port = int(os.environ.get("PORT", 8080))
+    app.run('0.0.0.0', port=port)

static/css/style.css

+body {
+    font-family: sans-serif;
+    background: #eee;
+}
+
+a,h1,h2 {
+    color: #377BA8;
+}
+
+h1,h2 {
+    font-family: 'Georgia', serif;
+    margin: 0;
+}
+
+h1 {
+    border-bottom: 2px solid #eee;
+}
+
+h2 {
+    font-size: 1.2em;
+}
+
+.page {
+    margin: 2em auto;
+    width: 35em;
+    border: 5px solid #ccc;
+    padding: 0.8em;
+    background: white;
+}
+
+.entries {
+    list-style: none;
+    margin: 0;
+    padding: 0;
+}
+
+.entries li {
+    margin: 0.8em 1.2em;
+}
+
+.entries li h2 {
+    margin-left: -1em;
+}
+
+.add-entry {
+    font-size: 0.9em;
+    border-bottom: 1px solid #ccc;
+}
+
+.add-entry dl {
+    font-weight: bold;
+}
+
+.metanav {
+    text-align: right;
+    font-size: 0.8em;
+    padding: 0.3em;
+    margin-bottom: 1em;
+    background: #fafafa;
+}
+
+.flash {
+    background: #CEE5F5;
+    padding: 0.5em;
+    border: 1px solid #AACBE2;
+}
+
+.error {
+    background: #F0D6D6;
+    padding: 0.5em;
+}
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